एपीए उद्धरण

Varma, O., & Ahuja B.N. Text book of industrial economics. Careers digest publications.

शिकागो स्टाइल उद्धरण

Varma, O.P, और Ahuja B.N. Text Book of Industrial Economics. Delhi: Careers digest publications.

एमएलए उद्धरण

Varma, O.P, और Ahuja B.N. Text Book of Industrial Economics. Careers digest publications.